Locomotion and Movement – Skeletal System and its functions (To be dealt with the: NEET MCQs with Answers

15 free questions on Locomotion and Movement – Skeletal System and its functions (To be dealt with the for NEET (UG), starting with previous-year NEET and AIPMT questions. Try each one, then tap Show answer for the answer and a short explanation.

Syllabus covered: Skeletal System and its functions (To be dealt with the relevant practical of Practical syllabus)

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Question 1

Previous-year question
Match List-I with List-II and choose the correct answer. [NEET 2024 (Sawaimadhopur)]
List-I:
A. Vertebrochondral ribs
B. Floating ribs
C. Scapula
D. Coxal bone
List-II:
I. Ilium, ischium, pubis
II. 8th, 9th and 10th pairs
III. Acromion
IV. 11th and 12th pairs
  1. A-III, B-IV, C-II, D-I
  2. A-II, B-IV, C-III, D-I
  3. A-I, B-IV, C-II, D-III
  4. A-I, B-III, C-II, D-IV
Show answer
Answer: (B) A-II, B-IV, C-III, D-I
Explanation: Vertebrochondral (false) ribs are the 8th, 9th and 10th pairs (A-II); floating ribs are the 11th and 12th pairs (B-IV); the scapula bears the acromion (C-III); each coxal bone is formed by the fusion of ilium, ischium and pubis (D-I).

Question 2

Previous-year question
Match List-I with List-II and choose the correct answer. [NEET 2023 (Manipur)]
List-I:
(A) Palm bones
(B) Wrist bones
(C) Ankle bones
(D) Digit bones
List-II:
(I) Phalanges
(II) Metacarpals
(III) Carpals
(IV) Tarsals
  1. (A)-(II), (B)-(III), (C)-(I), (D)-(IV)
  2. (A)-(IV), (B)-(I), (C)-(II), (D)-(III)
  3. (A)-(III), (B)-(IV), (C)-(I), (D)-(II)
  4. (A)-(II), (B)-(III), (C)-(IV), (D)-(I)
Show answer
Answer: (D) (A)-(II), (B)-(III), (C)-(IV), (D)-(I)
Explanation: Palm bones are metacarpals (A-II), wrist bones are carpals (B-III), ankle bones are tarsals (C-IV) and digit bones are phalanges (D-I).

Question 3

Previous-year question
Ribs are described as bicephalic because they have two articulating surfaces at their: [NEET 2021 (Paper-2)]
  1. Dorsal end
  2. Ventral end
  3. Lateral end
  4. Ventrolateral end
Show answer
Answer: (A) Dorsal end
Explanation: Each rib is a thin flat bone connected dorsally to the vertebral column; it has two articulation surfaces on its dorsal end (for the centrum and the transverse process of the thoracic vertebra), hence it is called bicephalic.

Question 4

Previous-year question
The extremities of long bones possess cartilage that is [AIPMT 1989]
  1. calcified
  2. fibrous
  3. elastic
  4. hyaline
Show answer
Answer: (D) hyaline
Explanation: Hyaline cartilage is the most abundant cartilage. It forms the cushions or pads upon the articular surfaces at the joints of long bones, where it is known as articular cartilage. It also forms the costal cartilage at the ventral ends of ribs and helps form the nose, larynx, trachea, bronchi and bronchial tubes.

Question 5

Previous-year question
The number of cervical vertebrae in a camel is [AIPMT 1990]
  1. more than that of rabbit
  2. less than that of rabbit
  3. same as that of whale
  4. more than that of horse
Show answer
Answer: (C) same as that of whale
Explanation: Cervical vertebrae are seven in number and constant in almost all mammals — whale, camel, giraffe and so on all have the same number. The long neck of the camel and giraffe is instead due to the increased length of each vertebra.

Question 6

Previous-year question
A deltoid ridge occurs in the [AIPMT 1990]
  1. radius
  2. ulna
  3. femur
  4. humerus
Show answer
Answer: (D) humerus
Explanation: The humerus is the bone of the forelimb. It bears a head, a greater tuberosity and a lesser tuberosity, and its proximal part carries a slight ridge called the deltoid ridge.

Question 7

Previous-year question
Long bones function in [AIPMT 1993]
  1. support
  2. support, erythrocyte and leucocyte synthesis
  3. support and erythrocyte synthesis
  4. erythrocyte formation
Show answer
Answer: (B) support, erythrocyte and leucocyte synthesis
Explanation: In higher animals, movements and locomotion depend on the association of the skeletal muscles with the skeletal system (bones and joints). The long bones function to provide support as well as to produce erythrocytes and leucocytes in the bone marrow.
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Question 8

Previous-year question
Which is a part of the pectoral girdle? [AIPMT 1994]
  1. Glenoid cavity
  2. Sternum
  3. Ileum
  4. Acetabulum
Show answer
Answer: (A) Glenoid cavity
Explanation: A cavity known as the glenoid cavity is present at the tip of the scapula and coracoid process, for the articulation of the head of the humerus. The pectoral girdle consists of a membranous bone called the clavicle and a large replacing bone called the shoulder blade or scapula coracoid.

Question 9

Previous-year question
The number of floating ribs in the human body is [AIPMT 1995]
  1. 6 pairs
  2. 5 pairs
  3. 3 pairs
  4. 2 pairs
Show answer
Answer: (D) 2 pairs
Explanation: Usually there are 12 pairs of ribs, though occasionally there may be 11, 13 or even 14 pairs. The first seven pairs are true ribs; pairs 8, 9 and 10 are false ribs, attached indirectly to the sternum by cartilage; and the last two pairs (11 and 12) do not reach the sternum at all and are known as floating ribs.

Question 10

Previous-year question
The lower jaw in mammals is made up of [AIPMT 1998]
  1. mandible
  2. dentary
  3. maxilla
  4. angulars
Show answer
Answer: (B) dentary
Explanation: The dentary is the tooth-bearing membrane bone of the lower jaw of vertebrates, one on each side.

Question 11

Previous-year question
The total number of bones in the hind limb of man is [AIPMT 1998]
  1. 14
  2. 30
  3. 24
  4. 21
Show answer
Answer: (B) 30
Explanation: The total number of bones in the hind limb of man is 30: 1 femur + 1 fibula + 1 tibia + 1 patella + 7 tarsals + 5 metatarsals + 14 phalanges.

Question 12

Previous-year question
The sternum is connected to the ribs by [AIPMT 2000]
  1. bony matter
  2. white fibrous cartilage
  3. hyaline cartilage
  4. areolar tissue
Show answer
Answer: (C) hyaline cartilage
Explanation: The sternum is connected to the ribs by hyaline cartilage, which gives it a shiny glass-like appearance and provides flexibility and support at the joints. The sternum, also called the breast bone, is a narrow, elongated, flattened structure lying just under the skin in the middle of the front of the chest, and consists of three parts — manubrium, mesosternum and xiphoid process.

Question 13

Previous-year question
Which one of the following is a skull bone? [AIPMT 2000]
  1. Atlas
  2. Coracoid
  3. Arytenoid
  4. Pterygoid
Show answer
Answer: (D) Pterygoid
Explanation: The pterygoid is a small bone articulated with the palatine; in humans it becomes the pterygoid processes of the sphenoid bone of the skull. (The atlas is the first cervical vertebra, the coracoid belongs to the pectoral girdle and the arytenoid is a laryngeal cartilage.)

Question 14

Previous-year question
What will happen if ligaments are cut or broken? [AIPMT 2002]
  1. Bones will move freely at joints
  2. No movement at joint
  3. Bone will become unfixed
  4. Bone will become fixed
Show answer
Answer: (C) Bone will become unfixed
Explanation: Ligaments are specialised connective tissues which connect bones together. Hence, if they are cut or broken, the bone will become unfixed.

Question 15

Previous-year question
An acromion process is characteristically found in the [AIPMT 2005]
  1. pelvic girdle of mammals
  2. pectoral girdle of mammals
  3. skull of frog
  4. sperm of mammals
Show answer
Answer: (B) pectoral girdle of mammals
Explanation: The acromion process is found in the pectoral girdle of mammals, which consists of the scapula and clavicle. The scapula consists of a sharp ridge — the spine — and a triangular body, and the end of the spine projects as a flattened and expanded process called the acromion.

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